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Cold engine never answers properly....HELP 700

posted by  DenisPaVolvo on  Sun Nov 2 03:19 CST 2003
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I have a simple problem...

As soon as my 230,000 km volvo turns warm(at the mid temperature level), it responds normaly to everything, my problem is before it heats up,

- It first doesnt respond correctly to acceleration.

- Also when I accelarate, it backfires.

- And THIS is ONLY when the engine hasnt reached it's warm temperature.

- Also when I restart the engine when warm, it sometimes has to turn a bit before starting.

I have changes my spark plugs, wiring, distributor rotor. I have tested(as suggested on the board) disconnecting my AMM and it does not want to run when I push the gaz pedal, it dies(so this should mean the AMM is good...yes or no ?). When I disconnect my FPR hose(to the engine), my idle barely accelarates.

I am convinced that this cannot be very complicated as a problem otherwise it wouldnt run so good when warm...PLEASE help me I dont really have the budget to go trough the run around of a shop mechanic.

Thank you so much for your suggestions if you help me.

Denis Parent





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